Immediate measures to restore the damage on LB of Dhoula Danda Nala River at BOP Dhoula Campus under S.R.E. for 2019-20

Amount

Clearing light jungles and trees up to 15cm. girth including cutting, uprooting roots and stamps, removing them from the site of work. etc. complete as directed. (When 30% of the area is covered by shrubs, trees etc.) (As per SOR of WR Deptt., for 2018-19 including 1% L/C)

Collection of river boulder of size 23cm. to 30 cm. in average and minimum weight 30 Kg. having (i) specific gravity not less than 2.65 and materials properties conforming to IS 2386 Part-III & IV 1963 free from dust, dirt and other foreign materials including necessary carriage and stacking in regular measurable stacks at site, payment of forest royalty, monopoly etc. (10% under sized boulder is allowable for packing/filling the gaps occurred during execution of works) Complete as directed (15% deduction will be made from the stack measured quantities on account of void). Quarry:- Taklai river bed quarry.

Supply of galvd. W.N. sheets of 8G.wire of 152mm.(6”) square mesh in each sheet of overall size 2.57m.x1.66m.(8’- 6' x 5, - 6') including 76mm. projection of eachwire on all sizes beyond the net size of 2.42m.x 1.31m (8'-0" x 5'-0") having knots of 12G at every joint including loading /unloading and stacking properly complete as directed by the Deptt. (Weight of each sheet should not be less than 6.30Kg).

Supplying of galvd. hexagonal W.N. rolls 152mm.(6”) mesh of size 15.24m.X3.66m.(50’X12’) longitudinal wire at 152mm.(6”) centre made of 8BGW wire triply twisted including loading, unloding and stacking etc. Complete as directed by the deptt.(weight of each roll should not be less than 83 Kg.)(tax extra).

Local carriage of boulder/gravel/metal etc. from the approachable site beyond 150m.and up to 3.00km. from the work site including loading from stack and unloading at work site with 10(ten) ton capacity truck, supplying P.O.L. etc. complete as directed.

Earthwork in bank trimming to the designed section /slope including removing the soils at a safe distance, complete as directed.

Labour charge for dumping boulder in sausage made of hexagonal wire netting rolls of size (15.24x3.66)m (supplied by the department. free of cost) cutting the netting as required making the sausage by tying the projected ends with 8G wire including supplying & tying the wire at every joint after filling the sausage with boulders properly and launching in places handling charges including site carriage of boulder from stack yard/ dump site within a distance of 150 m. etc. complete as directed.

Labour charge for dumping boulder in cage made of wire netting sheets of size 2.57x1.66m of 8G galvanized wire making the cage from 2 nos. of wire netting sheet by tying the projected wires ( wire netting sheet supplied by the department free of cost within 150m of work site) filling boulder inside in cage launching the same in position as directed including all handling charges and including site carriage of boulder from stack yard/ dump site within a distance of 150m. etc. complete as directed.

DILIP KUMAR BASUMATARY

KATIRAM NARZARY